Ed Rath #1
Ed Rath #1 is an earth dam located in Carter County, Montana, built in 1940. It carries a Low hazard potential classification.
About Ed Rath #1
The primary purpose of Ed Rath #1 is fire protection, stock, or small fish pond. The dam maintains a small impoundment used for fire suppression, livestock watering, or as a fish pond. The dam is owned by Edwin Rath (private). It impounds the Tr-s Fork Milk Creek near Ismay.
The dam stands 15 feet tall and stretches 1,500 feet across, has a maximum storage capacity of 124 acre-feet, and collects water from a drainage area of 7 square miles. Completed in 1940, the structure is well-established, with more than 75 years of service.
This dam has a low hazard potential classification, meaning that failure would cause minimal damage, limited primarily to the dam owner's property, with no expected loss of life.
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Location
| State | Montana |
| County | Carter |
| Nearest City | Ismay |
| River/Stream | Tr-s Fork Milk Creek |
| Coordinates | 46.13160, -104.54280 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 15 ft |
| Dam Height | 15 ft |
| Dam Length | 1,500 ft |
| Year Completed | 1940 (86 years old) |
Storage & Hydraulics
| NID Storage | 124 acre-ft |
| Max Storage | 124 acre-ft |
| Normal Storage | 63 acre-ft |
| Drainage Area | 7 sq mi |
| Max Discharge | 4,000 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | EDWIN RATH |
| Owner Type | Private |
| Hazard Classification | Low |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MT02408 |
| Federal ID | MT02408 |
| More Info | State Dam Safety Program |